You can also pick their brain on what repairs should be done and what features need to be added to up the value.  

I've been brain storming some ways to get my message across without scaring them into never picking up.

I own a primary residence in LA city and am interested in MTRs and STRs and would love to pick your brain about the MTR idea.

Those are very helpful to get a chance to talk to experience investors and pick their brain about their deals.

I would love to pick your brain. 

Finally, start hitting some meetups if you can to pick people's brains, find potential deals, learn what about areas you don't know, etc.Best of luck!

anyone who is willing to load that much money on a credit card has got some guts... or no brains.

We'd be incredibly grateful for the chance to pick your brain and learn from your experience.Here's how we can provide value:We're dedicated and eager to learn.We're happy to assist with research, analysis, or any tasks that might benefit you.We bring a fresh perspective and a willingness to hustle!

One was picking my brain on how I got such a good deal (the purchase price was on the deed). 

But to pick your brain a bit further why did you say long term rental will not generate cash flow ?